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| έμμονος οργανικός ρύπος; ανθεκτικός οργανικός ρύπος (Organic pollutants that do not break down chemically and remain in the environment. Pollutants with higher persistence may produce more harmful environmental effects) | |||
| Persistent Organic Pollutants: 6 phrases in 1 subject |
| Environment | 6 |